CN116811343B - Intelligent operating system of electric direct-drive CNC press - Google Patents
Intelligent operating system of electric direct-drive CNC press Download PDFInfo
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- CN116811343B CN116811343B CN202311081533.2A CN202311081533A CN116811343B CN 116811343 B CN116811343 B CN 116811343B CN 202311081533 A CN202311081533 A CN 202311081533A CN 116811343 B CN116811343 B CN 116811343B
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- 238000005096 rolling process Methods 0.000 claims abstract description 28
- 238000012790 confirmation Methods 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 24
- 238000004458 analytical method Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 14
- 238000013507 mapping Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000001815 facial effect Effects 0.000 claims description 2
- 238000010191 image analysis Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/26—Programme control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The application discloses an intelligent operation system of an electric direct-drive CNC press, which relates to the technical field of intelligent operation of presses and solves the problem of insufficient rolling caused by the fact that a plurality of base surfaces of different to-be-pressed pieces are not analyzed.
Description
Technical Field
The application relates to the technical field of intelligent operation of presses, in particular to an intelligent operation system of an electric direct-drive CNC press.
Background
In the precise numerical control powder forming press, the actual precise position reached by the movement of the template is detected in real time through the grating ruler and fed back to the control system, the control system compares the actual deviation between the feedback value of the grating ruler and the movement set value and sends a correction deviation value to the driver, the motor is controlled to precisely move to the position reached by the actually required moving part under the detection feedback of the encoder, the transmission error is eliminated, the full closed loop control is formed, and the aims of greatly eliminating the inherent positioning error caused by the mechanical structure and eliminating the influence of the thermal deformation of the transmission mechanism on the positioning precision are fulfilled.
The application of patent publication number CN113458807A discloses a high accuracy CNC digit control machine tool of machinery processing technology field, including CNC digit control machine tool and frame, CNC digit control machine tool installs on the frame, CNC digit control machine tool's fixed surface is connected with sealed frame mechanism, this device can be closed to sealed door automatically, and make sealed door in closing the in-process through the setting of inductor, can slow down in advance and seal, make sealed door reduce the effort of CNC machine tool, avoid causing vibrations to lead to fixed waiting to process the article on the anchor clamps to become flexible, will under the machining accuracy is caused, and can seal the processing region in the course of working, and can be with the heat that produces in the course of working in the CNC digit control machine tool, impurity and smog suction through the negative pressure machine, make operating personnel more audio-visual see in the course of working, improve the machining accuracy.
CNC press can lead to rolling the back and produce a plurality of nibble because of corresponding the problem of putting of waiting the casting die in the use that rolls, and follow-up nibble still needs the secondary to process, participates in the secondary and rolls, because of intelligent operating system does not carry out the analysis to a plurality of base level of waiting the casting die to the correspondence comparatively accurate base level is selected from wherein, and it rolls fully to wait the casting die with this guarantee.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides an intelligent operating system of an electric direct-drive CNC press, which solves the problem of insufficient rolling caused by not analyzing a plurality of base surfaces of different to-be-pressed pieces.
In order to achieve the above purpose, the application is realized by the following technical scheme: an intelligent operating system of an electric direct-drive CNC press, comprising:
the image acquisition end of the to-be-pressed piece is used for confirming and simultaneously acquiring a plurality of pressed surfaces of the to-be-pressed piece and transmitting the acquired plurality of pressed surfaces into the image analysis end; the picture analysis end comprises a basal plane preliminary analysis unit, a removable facial point position curve generation unit, a trend parameter value confirmation unit and a basal plane marking unit;
the base surface preliminary analysis unit is used for receiving a plurality of base surfaces to be pressed, and determining whether the corresponding base surface is a desirable surface or not by confirming the highest point position of the corresponding base surface and the distance between the base surface and the confirmed base surface, wherein the specific mode is as follows:
confirming the lowest point of the edge of the base surface, and constructing a group of horizontal base surfaces according to the confirmed lowest point of the edge; selecting the highest protruding point from the basal plane, and determining the vertical distance between the highest protruding point and the horizontal basal plane, and marking as CZ i Wherein i represents different basal planes and the vertical distance CZ is further calculated i Comparing with a preset parameter S1, wherein S1 is a preset value, and when CZ i When the number is less than S1, marking the corresponding basal plane as a removable plane, otherwise, not marking any mark;
transmitting a plurality of the marked removable faces in the to-be-pressed piece to a removable face point position curve generating unit;
the removable face point position curve generating unit receives a plurality of removable faces, confirms a plurality of protruding points protruding from the surfaces in the removable faces, and then connects adjacent protruding points, so that a plurality of connecting lines belonging to the removable faces are confirmed, trend parameters of the plurality of connecting lines are confirmed, and the confirmed trend parameters are transmitted into the trend parameter confirming unit, wherein the specific mode is as follows:
confirming and marking a plurality of bumps of the removable surface, and after marking, connecting the bumps and confirming a plurality of connecting lines;
placing the confirmed connecting lines in a two-dimensional coordinate system, selecting endpoint coordinates of two endpoints of the corresponding connecting lines from the two-dimensional coordinate system, constructing a first-order equation Y=KX+B of the corresponding connecting lines according to the endpoint coordinates, confirming corresponding K values, and marking the K values corresponding to different connecting lines as K t Wherein t represents different connecting lines;
generating a plurality of trend parameters K belonging to the present ideal plane t Transmitting the result to a trend parameter value confirmation unit; the trend parameter value confirming unit is used for receiving a plurality of trend parameters belonging to the same removable surface, uniformly carrying out mean value processing to obtain corresponding mean value position parameters, and transmitting different mean value position parameters of different removable surfaces into the base surface marking unit;
the base surface marking unit is used for receiving parameters at the average value of different removable surfaces, and arranging the parameters in a mode of small to large values to obtain a group of arrangement sets, and directly selecting an optimal bottom surface and an optimal top surface from the arrangement sets, wherein the specific mode is as follows:
the first group of removable surfaces of the arrangement set are drawn as the bottom surface, the arrangement ranking of the corresponding top surface is analyzed, and the arrangement ranking of the two surfaces is summed to obtain a combined parameter H1; then, the second group of removable surfaces of the arrangement set are drawn as bottom surfaces, the arrangement order of the corresponding top surfaces is analyzed and confirmed, and then summation is carried out to confirm the subsequent merging parameters H2;
and after the processing is sequentially carried out, a group of parameters with the smallest numerical value is selected from the plurality of combined parameters, the bottom surface confirmed in the parameters is taken as the optimal bottom surface, and the top surface confirmed in the parameters is taken as the optimal top surface.
Preferably, the device further comprises a central axis confirmation end, wherein the central axis confirmation end comprises a base surface central point confirmation unit and an axis confirmation unit;
the base surface center point confirming unit is used for receiving the confirmed optimal bottom surface and optimal top surface, confirming the center points of the optimal bottom surface and the optimal top surface and marking the center points, and the specific mode is as follows:
confirming all vertexes of the optimal bottom surface and the optimal top surface, carrying out mean value processing to obtain the gravity centers of the corresponding base surfaces, and marking the gravity centers of the corresponding base surfaces as the center points of the corresponding base surfaces;
and marking the center points confirmed in the inside in the optimal bottom surface and the optimal top surface, and transmitting the marked optimal bottom surface and optimal top surface into the axis confirming unit.
The axis confirming unit is used for confirming a corresponding radiation area from the center points confirmed by the inside of the optimal bottom surface and the optimal top surface, selecting a central axis from the radiation area, and subsequently, rolling the to-be-pressed piece according to the selected central axis serving as a rolling center point, wherein the specific mode is as follows:
marking the selected center point in the optimal bottom surface as a bottom center point, reversely mapping the bottom center point into the optimal top surface, and confirming the corresponding mapping point;
connecting the mapping point with the central point of the optimal top surface, confirming an axle center confirming line, selecting the central point from the axle center confirming line, calibrating the selected central point as a central axis, calibrating the point of the central axis as a rolling central point in the optimal top surface, and then extruding the rolling central point by the CNC press through the confirmed rolling central point, wherein the working press faces corresponding to the inner part are extruded by the rolling central point in the extrusion process.
The application provides an intelligent operating system of an electric direct-drive CNC press. Compared with the prior art, the method has the following beneficial effects:
according to the application, through confirming and analyzing the pressing surface of the to-be-pressed piece preferentially, whether the corresponding pressing surface can be used as the to-be-pressed surface is judged, if so, the to-be-pressed surface needs to be analyzed, whether the overall appearance of the corresponding base surface can influence the normal rolling process is judged, judging and analyzing the surface convex points of a plurality of base surfaces and trend among the convex points is judged, confirming whether the corresponding trend parameters are overlarge, if so, representing that the overall condition of the corresponding base surface is poor, selecting the optimal opposite base surface through integral analysis processing, then selecting the corresponding axis from the opposite base surface to confirm the central point, rolling the point of the opposite base surface through a CNC press, and through a series of operations, the overall rolling effect of the CNC press is improved, the operation efficiency of the whole press is improved, and the situation of repeated rolling processing is avoided.
Drawings
FIG. 1 is a schematic diagram of a principal frame of the present application;
fig. 2 is a schematic diagram of the operation of the internal device of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1 and 2, the application provides an intelligent operation system of an electric direct-drive CNC press, which comprises a screen acquisition end to be pressed, a screen analysis end, a central axis confirmation end and a display end, wherein the screen acquisition end to be pressed is electrically connected with a screen analysis end input node, the screen analysis end is electrically connected with a central axis confirmation end input node, and the central axis confirmation end is electrically connected with the display end input node;
the picture analysis end comprises a base surface preliminary analysis unit, a removable face point position curve generation unit, a trend parameter value confirmation unit and a base surface marking unit, wherein the base surface preliminary analysis unit, the removable face point position curve generation unit, the trend parameter value confirmation unit and the base surface marking unit are electrically connected in sequence from an output node to an input node, the central axis confirmation end comprises a base surface central point confirmation unit and an axis confirmation unit, and the base surface central point confirmation unit is electrically connected with the input node of the axis confirmation unit;
the picture acquisition end is used for confirming and simultaneously acquiring a plurality of pressing surfaces of the to-be-pressed piece, and transmitting the acquired plurality of pressing surfaces into the picture analysis end, and specifically, the to-be-pressed piece is the to-be-pressed piece, namely the to-be-crushed piece, and the to-be-crushed piece is the object to be crushed through the electric direct-drive CNC press, so that the plurality of pressing surfaces of the to-be-pressed piece are confirmed;
the base surface preliminary analysis unit in the picture analysis end receives a plurality of base surfaces to be pressed, confirms the highest point position of the corresponding base surfaces, judges whether the base surface corresponding to the distance of the confirmed base surface is a preferable surface or not, and transmits the judged preferable surface to the preferable surface point position curve generation unit, wherein the specific mode for judging is as follows:
confirming the lowest point of the edge of the base surface, and constructing a group of horizontal base surfaces according to the confirmed lowest point of the edge;
selecting the highest protruding point from the basal plane, and determining the vertical distance between the highest protruding point and the horizontal basal plane, and marking as CZ i Wherein i represents different basal planes and the vertical distance CZ is further calculated i Comparing with a preset parameter S1, wherein S1 is a preset value, the specific value is determined by an operator according to experience, and S1 is generally 1.2cm, when CZ i When the number is less than S1, marking the corresponding basal plane as a removable plane, otherwise, not marking any mark;
and transmitting the plurality of the marked desirable surfaces in the to-be-pressed piece to a desirable surface point position curve generating unit, wherein in particular, in order to determine the corresponding desirable surfaces, the distance parameters of the convex points need to be analyzed, and if the distance parameters are too large, the rolling process of a subsequent CNC press is influenced, so that the texture of the subsequent rolling powder is influenced.
The removable surface point position curve generating unit receives a plurality of removable surfaces, confirms a plurality of protruding points protruding from the surfaces in the removable surfaces, and then connects adjacent protruding points, so that a plurality of connecting lines belonging to the removable surfaces are confirmed, trend parameters of the plurality of connecting lines are confirmed, and the confirmed trend parameters are transmitted to the trend parameter confirming unit, wherein the specific mode for analyzing and confirming is as follows:
confirming and marking a plurality of bumps of the removable surface, and after marking, connecting the bumps and confirming a plurality of connecting lines;
placing the confirmed connecting lines in a two-dimensional coordinate system, selecting endpoint coordinates of two endpoints of the corresponding connecting lines from the two-dimensional coordinate system, constructing a first-order equation Y=KX+B of the corresponding connecting lines according to the endpoint coordinates, confirming corresponding K values, and marking the K values corresponding to different connecting lines as K t Wherein t represents different connecting lines;
generating a plurality of trend parameters K belonging to the present ideal plane t Transmitting the result to a trend parameter value confirmation unit;
specifically, if a plurality of protruding points exist on the corresponding removable surface, and the change trend is too large, then the situation that rolling is uneven exists in the rolling process, and when rolling is uneven, the quality of rolling powder produced in the whole rolling process is poor and the situation that the sizes are different is caused.
The trend parameter value confirmation unit is used for receiving a plurality of trend parameters belonging to the same removable surface, uniformly carrying out mean value processing to obtain corresponding mean value processing parameters, and transmitting different mean value processing parameters of different removable surfaces into the base surface marking unit;
the base surface marking unit is used for receiving average value processing parameters of different removable surfaces, arranging the average value processing parameters in a mode of small to large values to obtain a group of arrangement sets, and directly selecting an optimal bottom surface and an optimal top surface from the arrangement sets, wherein the specific mode for selecting is as follows:
the first group of removable surfaces of the arrangement set are drawn as the bottom surface, the arrangement ranking of the corresponding top surface is analyzed, and the arrangement ranking of the two surfaces is summed to obtain a combined parameter H1;
then, the second group of removable surfaces of the arrangement set are drawn as bottom surfaces, the arrangement order of the corresponding top surfaces is analyzed and confirmed, and then summation is carried out to confirm the subsequent merging parameters H2;
and after the processing is sequentially carried out, a group of parameters with the smallest numerical value is selected from the plurality of combined parameters, the bottom surface confirmed in the parameters is taken as the optimal bottom surface, and the top surface confirmed in the parameters is taken as the optimal top surface.
Specifically, when the specific analysis is performed, the corresponding preferable surfaces which are possibly analyzed are all adjacent surfaces, the surface with the best existence cannot be used as the bottom surface or the top surface, so that the best surface is preferentially selected, whether the corresponding surface is the bottom surface or the top surface is selected, the unified analysis is performed, the best follow-up working surface is selected, the corresponding to-be-pressed piece is ensured to be normally pressed in the pressure bearing process, and the internal main body structure is ensured to be normally pressed, so that the corresponding rolling effect is improved.
Example two
In a specific implementation process of this embodiment, based on the foregoing embodiment, this embodiment further includes:
the base surface center point confirming unit is used for receiving the confirmed optimal bottom surface and optimal top surface, confirming the center points of the optimal bottom surface and the optimal top surface and marking the center points, wherein the specific mode for confirming is as follows:
confirming all vertexes of the optimal bottom surface and the optimal top surface, carrying out average value processing to obtain the gravity centers of the corresponding base surfaces, marking the gravity centers of the corresponding base surfaces as the center points of the corresponding base surfaces, wherein the center processing mode is an existing processing mode, namely determining the gravity centers of an irregular surface, and the determining mode is that the gravity centers are the average value of all vertexes in the polygon;
and marking the center points confirmed in the inside in the optimal bottom surface and the optimal top surface, and transmitting the marked optimal bottom surface and optimal top surface into the axis confirming unit.
Example III
In a specific implementation process of this embodiment, compared to the above embodiment, the method further includes:
the axis confirming unit is used for confirming a corresponding radiation area from the center points confirmed in the optimal bottom surface and the optimal top surface, selecting a central axis from the radiation area, and subsequently, rolling the to-be-pressed piece according to the selected central axis serving as a rolling center point, wherein the specific mode of selecting the central axis is as follows:
marking a selected central point in the optimal bottom surface as a bottom center point, mapping the bottom center point into the optimal top surface in a reverse way, and confirming a corresponding mapping point, specifically, the perpendicular line processing can be carried out on the base surface of the optimal top surface through the bottom center point, and the confirmed perpendicular point is the confirmed mapping point;
connecting the mapping point with the central point of the optimal top surface, confirming the axle center confirming line, selecting the central point from the axle center confirming line, calibrating the selected central point as the central axis, calibrating the point of the central axis as the rolling central point in the optimal top surface, and then extruding the rolling central point by the CNC press through the confirmed rolling central point, and crushing the workpiece in the extrusion process, so that the crushing effect is ensured.
Example IV
This embodiment includes all of the three embodiments described above in the specific implementation.
Some of the data in the above formulas are numerical calculated by removing their dimensionality, and the contents not described in detail in the present specification are all well known in the prior art.
The above embodiments are only for illustrating the technical method of the present application and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present application may be modified or substituted without departing from the spirit and scope of the technical method of the present application.
Claims (7)
1. An electronic CNC press intelligent operation system that directly drives, its characterized in that includes:
the image acquisition end of the to-be-pressed piece is used for confirming and simultaneously acquiring a plurality of pressed surfaces of the to-be-pressed piece and transmitting the acquired plurality of pressed surfaces into the image analysis end;
the picture analysis end comprises a basal plane preliminary analysis unit, a removable facial point position curve generation unit, a trend parameter value confirmation unit and a basal plane marking unit;
the base surface preliminary analysis unit is used for receiving a plurality of base surfaces to be pressed, determining whether the corresponding base surface is a desirable surface or not according to the distance between the highest point position of the corresponding base surface and the determined reference plane, and transmitting the determined desirable surface into the desirable surface point curve generation unit;
the removable face point position curve generating unit is used for receiving a plurality of removable faces, confirming a plurality of protruding points protruding from the surface in the removable faces, connecting adjacent protruding points, confirming a plurality of connecting lines belonging to the removable faces, confirming trend parameters of the plurality of connecting lines, and transmitting the confirmed trend parameters into the trend parameter confirming unit;
the trend parameter value confirmation unit is used for receiving a plurality of trend parameters belonging to the same removable surface, uniformly carrying out mean value processing to obtain corresponding mean value processing parameters, and transmitting different mean value processing parameters of different removable surfaces into the base surface marking unit;
the base surface marking unit is used for receiving the average value processing parameters of different removable surfaces, arranging the average value processing parameters in a mode of small value to large value to obtain a group of arrangement sets, and directly selecting an optimal bottom surface and an optimal top surface from the arrangement sets.
2. The intelligent operation system of an electric direct-drive CNC press according to claim 1, wherein the specific manner of determining whether the corresponding base surface is a desirable surface by the base surface preliminary analysis unit is:
confirming the lowest point of the edge of the base surface, and constructing a group of horizontal base surfaces according to the confirmed lowest point of the edge;
selecting the highest protruding point from the basal plane, and determining the vertical distance between the highest protruding point and the horizontal basal plane, and marking as CZ i Wherein i represents different basal planes and the vertical distance CZ is further calculated i Comparing with a preset parameter S1, wherein S1 is a preset value, and when CZ i When < S1, the correspondingThe basal plane is marked as a removable plane, otherwise, no marking is carried out;
and transmitting the plurality of the marked desirable surfaces in the waiting pressing piece to a desirable surface point position curve generating unit.
3. The intelligent operating system of an electric direct-drive CNC press according to claim 2, wherein the removable face point curve generating unit is configured to confirm trend parameters of a plurality of connecting lines in the following specific manner:
confirming and marking a plurality of bumps of the removable surface, and after marking, connecting the bumps and confirming a plurality of connecting lines;
placing the confirmed connecting lines in a two-dimensional coordinate system, selecting endpoint coordinates of two endpoints of the corresponding connecting lines from the two-dimensional coordinate system, constructing a first-order equation Y=KX+B of the corresponding connecting lines according to the endpoint coordinates, confirming corresponding K values, and marking the K values corresponding to different connecting lines as K t Wherein t represents different connecting lines;
generating a plurality of trend parameters K belonging to the present ideal plane t Transmitting the result to the trend parameter value confirmation unit.
4. The intelligent operating system of an electric direct-drive CNC press according to claim 1, wherein the base surface marking unit selects the optimal bottom surface and the optimal top surface from the arrangement set in the following specific ways:
the first group of removable surfaces of the arrangement set are drawn as the bottom surface, the arrangement ranking of the corresponding top surface is analyzed, and the arrangement ranking of the two surfaces is summed to obtain a combined parameter H1;
then, the second group of removable surfaces of the arrangement set are drawn as bottom surfaces, the arrangement order of the corresponding top surfaces is analyzed and confirmed, and then summation is carried out to confirm the subsequent merging parameters H2;
and after the processing is sequentially carried out, a group of parameters with the smallest numerical value is selected from the plurality of combined parameters, the bottom surface confirmed in the parameters is taken as the optimal bottom surface, and the top surface confirmed in the parameters is taken as the optimal top surface.
5. The intelligent operating system of an electric direct drive CNC press according to claim 4, further comprising a central axis confirmation end, wherein the central axis confirmation end comprises a base surface center point confirmation unit and an axis confirmation unit;
the base surface center point confirming unit is used for receiving the confirmed optimal bottom surface and optimal top surface, confirming the center points of the optimal bottom surface and the optimal top surface and marking the center points;
and the axis confirming unit is used for confirming a corresponding radiation area from the center points confirmed by the optimal bottom surface and the inside of the optimal top surface, selecting a central axis from the radiation area, and then rolling the to-be-pressed piece according to the selected central axis serving as a rolling center point.
6. The intelligent operation system of an electric direct-drive CNC press according to claim 5, wherein the base center point confirmation unit performs confirmation in the following specific manner:
confirming all vertexes of the optimal bottom surface and the optimal top surface, carrying out mean value processing to obtain the gravity centers of the corresponding base surfaces, and marking the gravity centers of the corresponding base surfaces as the center points of the corresponding base surfaces;
and marking the center points confirmed in the inside in the optimal bottom surface and the optimal top surface, and transmitting the marked optimal bottom surface and optimal top surface into the axis confirming unit.
7. The intelligent operating system of an electric direct-drive CNC press according to claim 6, wherein the axis confirmation unit selects the central axis in the following specific manner:
marking the selected center point in the optimal bottom surface as a bottom center point, reversely mapping the bottom center point into the optimal top surface, and confirming the corresponding mapping point;
connecting the mapping point with the central point of the optimal top surface, confirming an axle center confirming line, selecting the central point from the axle center confirming line, calibrating the selected central point as a central axis, calibrating the point of the central axis as a rolling central point in the optimal top surface, and then extruding the rolling central point by the CNC press through the confirmed rolling central point, and crushing the workpiece in the extrusion process by the CNC press.
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| CN202311081533.2A CN116811343B (en) | 2023-08-25 | 2023-08-25 | Intelligent operating system of electric direct-drive CNC press |
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| CN116811343A (en) | 2023-09-29 |
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